{
  "manageEntity": {
    "action": "Update",
    "entityId": "982175968",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7c7fa95903fc9bdf13ccbd247cb506bd0b2a0962dcabff504b01ee03f4c80e80",
    "signature": "0x6382a50a10fbb826475a1d47590f884c5564ac9878827ba7927c6f28642365876b4c15aa2867ce166dd9c91d92eb3b021f4d3a46241bcaf8f50237fd8f4b0e6c1b",
    "signer": "0xAE283d08858D5c88B221DBCD7a091BC1Cd418D8B",
    "userId": "982175968"
  }
}