{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb31e53842ab5ca35f51ff3b77d4e08b1b683ba705c68d9b40e2c69f94f8c6a7b",
    "signature": "0x5e0abf5c8753cbcb610cd44469e32413480c7cab25b560b5e947e6a63f9370992b3409d05b03f51b338431d34fa8d43d86c7d1695aaa3b7bfd39a864a29013d01c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}