{
  "manageEntity": {
    "action": "Update",
    "entityId": "740761063",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24f83d6ca85552a15846d07bb3a79d8036491df25255785423ef3a9a6eaa4d31",
    "signature": "0xb786ff71d728ab018b889d58a5fd7792f14aa51973dfadacc410f183457ee9214ffdfb0cc56c8931725ec88b5798b8fd3ef7488a60250794a68b45284315ddf41b",
    "signer": "0x28e5eD52ba5180AFC861A9A5A69FDbb88B55D60A",
    "userId": "740761063"
  }
}