{
  "manageEntity": {
    "action": "Update",
    "entityId": "874730136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraq4y6e5imtnqh24dmcmhgr7u2bda2qg4deo4nefrha6ukst3kzi7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1036892761},{\"type\":\"playlist\",\"playlist_id\":841144759}]}}}",
    "nonce": "0x8dbfc6f3928d83ff3f05f62a8d3abaa6b6294ba5df8ad630be81d27ab7222dc2",
    "signature": "0x1ee137d1a809233987155dca8ed7116d410b4d8a3723f7c798defc466aec86a604a8ded10cb137d3e6a177f3295e4a0749a70d10805567334da0ac07789ccbe01b",
    "signer": "0xa89450afEEAb67A6C244f1c4B3A0f7c89B24f2d4",
    "userId": "874730136"
  }
}