{
  "manageEntity": {
    "action": "Update",
    "entityId": "133292324",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0acb5bda6695c24fbcd355d00bb9348c27d5364d26659b8013f70f142a0faae7",
    "signature": "0x515c6d4fcaf78f277ba0e050e53447e46c505ac6d849870302697a81f632d06c543528459890c52a8e21e517c4b1e873fdcc130c5313a941cc1c4f7da1ed96151c",
    "signer": "0xD349CF49C451B0cd6b7122e52C33AA5Ee921F70A",
    "userId": "133292324"
  }
}