{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc58f8c1da539a684dacdbd1d660ea21ad35c1b04ed2399520c9d646353bd16a3",
    "signature": "0x59cf748c63397cbbbf911ca1679e0bdfcadd7f44c5c806788953988271c5ef8e27f6a2daaf98e705aaac8e9a1ef556eca8676514c9a3533c052967d5f76402311c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}