{
  "manageEntity": {
    "action": "Update",
    "entityId": "817964210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x910551c3970ffde1c8cb3aca68603adda3a862ffa3e3dce0ac72a190e92f30c1",
    "signature": "0xae505f4ee4fd1482799c7b14d079464d8ff8495585dd7f554b66e889f6f30f7e7d3635108ea345bfd0366196819b0b088a0d068b01055e47efe795f8409e732c1c",
    "signer": "0x095a68b9D98ac351Fb872C4290e156751C9D7CCE",
    "userId": "817964210"
  }
}