{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757885875",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd73a7b66a27dbbca92d4eef76faf0da55f4e7e09533af957cd1bdbb40d65615e",
    "signature": "0xd72ce5ab60b32e55b42cb754b5a7d8bfb6d4ec424b404d440b681f4aa4822e9a4c073252053dba9685d8d1476b41ca9e3d1e52d2fb197123bdd76587fea582c01b",
    "signer": "0x90CBf7c9BBF688fd9Fa4029B96e1BC32b270cA24",
    "userId": "711459379"
  }
}