{
  "manageEntity": {
    "action": "Update",
    "entityId": "279084195",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawbzyhswt5ou55sfmvejokibskimaf3gcoz2jrv7zpucwmplbaxiq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":743920324},{\"type\":\"playlist\",\"playlist_id\":1846936084}]}}}",
    "nonce": "0x918966c9c63a93704a94330a62b660226af8bc8887d4fcb0520db387059cb567",
    "signature": "0x48ab84907263e1325fb6e02821c6b9acfa94c5cdd21424722a1e56870e6e1e446841f60010895418a4722b6f3bf3914c9c760517d89ff4d89c23e9476a1a074c1b",
    "signer": "0x47876366ACBb20DaAC408C422AE6f75Af3969470",
    "userId": "279084195"
  }
}