{
  "manageEntity": {
    "action": "Update",
    "entityId": "276491226",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x29b4c92d4657e7c75fad668b5b64f4ec2858f79448f913ed453e10aa586bb9f6",
    "signature": "0xcd2c98dd36c2d835f60d88e0ff66128e94eb9200050687ab40b4dc38fe51d24d6ca8ead795abe537439e81ba63023ae8fe2ae4a5dfa95bda063fb39e12f70a611c",
    "signer": "0x2A444Bb92dfE1aA33563161247b25Be9D2fD1A15",
    "userId": "276491226"
  }
}