{
  "manageEntity": {
    "action": "Update",
    "entityId": "13589021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierak6g7ihyvyb6itd4qotrfyel7kd7nrxwki4nstdvewqzdzf5pxuja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":323987660}]}}}",
    "nonce": "0x0a5c91331912804caf6feff202dfc13e9c68cc699da3cf6a4ba9768b74080177",
    "signature": "0x931e68f1aafac38c5eb7e6a33473a0ce9ff4eb4fe4a7ac87c93ae429ffb168c978c75853b47444f63b74939eb71a34cd5ae43faca5079716276651143249641e1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}