{
  "manageEntity": {
    "action": "Repost",
    "entityId": "139011890",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fa0149191e3dbb99888f056738fc1488eae4f23f68a2fd07ba39501c7b3b897",
    "signature": "0x624cb9aa682459b97b4bf147a359d09cf6fa4fa8fd556563f1d342ed322ccebc7700d5a964be6ac2cf85d70382fd0b30e522a7a8441233296b633cdc2183dd7e1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}