{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x47dcf0cb939a102e934d1d74faffcba271e5cbeaa4363bfe96e40a4029dfdd68",
    "signature": "0x96af9dbbab9c91f5ace25db7d53e432330745d5d1d81e852583704dad8ae1f3a6f3b60adb2e155635f7d82bf9f3f8329761f9625bfb8bafe5f422fef0796d74f1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}