{
  "manageEntity": {
    "action": "Update",
    "entityId": "735720383",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaba20cc06021f5718da6c5dc4464c52b4a2947628bf535bd38a332ac9e0f2485",
    "signature": "0x2d513548e604ce61b3803d1ae33a1371dbe5e171cd60232be92e05e8c1d0ea537dacfa52636f8cb33d1dc7a76a55d6c1990da17c7266eda96ae200e6cb8724d11b",
    "signer": "0x09c34bd0C6a3aDc12D85AFAAE28fB02E5DDE770d",
    "userId": "735720383"
  }
}