{
  "manageEntity": {
    "action": "Create",
    "entityId": "861041866",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"elég királyos\",\"entity_id\":57497041,\"track_timestamp_s\":29}}",
    "nonce": "0xf00f30512e6dc53d4b4fcf3a7baf347692a3f8f4e3375f975dafb39d62f4d326",
    "signature": "0x927ff973e8f9a1c4ec2fbc9e69154cdf3490171343ea6ee6fce046f612b54e6c25d438734d22758e809b7bd2b07963fbceb7257ca3f341af86b7ca4ea6aca1001c",
    "signer": "0x4cd4EAe6AcF1d2fa1Fd61eAce803597613DbaD92",
    "userId": "114543"
  }
}