{
  "manageEntity": {
    "action": "Update",
    "entityId": "858635686",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravsh5hf5wucfgodbqwv4yyqrdfpgkuxssculxinoqvhspzu4yqjqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":868231252},{\"type\":\"playlist\",\"playlist_id\":633631309}]}}}",
    "nonce": "0x2113646f91a4803a093d8af8a5a14c47ac9bbe1c9641573bae76981408b913d6",
    "signature": "0x557ea2387675e4140980184e1f5891e595a700a691e9611b70c1b7a35191cc1d62efc7ee17749ce9891cca07cdcbf8f8092f0501f11e735ee471ca85440151371b",
    "signer": "0x88f32c3cEB2a2cFdA5D449ECe4cd51DF1D6c09D3",
    "userId": "858635686"
  }
}