{
  "manageEntity": {
    "action": "Update",
    "entityId": "701187214",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x22fdcc5c797038e90e853105b50570a0b5a9cd15c00dc68e09b50f5d828191ad",
    "signature": "0xa879713cea331763c3f9b66cc89151e0ecabecbface5232b2536296b79cf309963e952320f88c37d2db3e6ba2b17d8604fae0da0395daeddbca02c19f15e06521c",
    "signer": "0xb3BEf78D87738d0DeA1b176317F1db0BAe3c178E",
    "userId": "701187214"
  }
}