{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491597591",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f948154cb9bdc8c8add9a0ae3813fb1780776e2ee14e386142d691fb4b682cd",
    "signature": "0x7476dcee0a4906f8d9f8a4f3e97bcf5ff6843717794a8f53f8ea7a9f06475f885f9bdb8e730cf9c54108d9da490ccf703c0c4affab94e73a2e21d6d13d8a9ad41c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}