{
  "manageEntity": {
    "action": "Update",
    "entityId": "665461345",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5836c3b4445bb086fb81b1786d07b2904a4c43167d7b9c8ad60ab53ad286c80c",
    "signature": "0xc84bcebea0630fcf1e22380b03b41275405362a215947f51232df31b5fed5264651d6458ff8181b0d32082939b00430e7e9e2095eca4c10b2d56617125dfe6d01c",
    "signer": "0xeAe1E119Cd1A36C002C5B570D85BFaCC919d0e8b",
    "userId": "665461345"
  }
}