{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21733",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6d1a862400fb84ff48092c87b66b23e0bc54339e4d8b5078b86d1987391b243a",
    "signature": "0x960d21355bab37a6d6ccebd4209002e0a8c3bf302dc4120f5a2ea1db2a7a3e3138c5be2fd1a87a6657e94360679890f52e14b2599bea736197c1c85c802af2941b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}