{
  "manageEntity": {
    "action": "Update",
    "entityId": "226221804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfdbd6306b334b6ef69ab630883020f6d2f6dd49539932de4d71a8ed4d0564ec0",
    "signature": "0x4b14fa6c20a8860dee24687f53520a5ac616a7cb7f79ceb8ce3c77797203e36f562e46022a406bff0f3747fe937992a63661dbb47360c110e30a3730bb6069871c",
    "signer": "0xC06E04BCf9bB6499714eb77Aca5583c70cF9F5a9",
    "userId": "226221804"
  }
}