{
  "manageEntity": {
    "action": "Update",
    "entityId": "565110676",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x35915bd9d7576853e5af466de6a0e960187534ab9a66c831ad7dfb9cb6b65098",
    "signature": "0x0388e12191f92c79e22afd5431ecbfadc1477c40167cc0f899421dfffd840a7553fb1d9eaf099018979962f30d25eaf74a98cf8e79b2cfcf1697d6f342d7f4fa1b",
    "signer": "0x6F79753ec45949eADDd3F99F1269E4E61E7A87B7",
    "userId": "565110676"
  }
}