{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457219352",
    "entityType": "Track",
    "nonce": "0xb59242fd5faf44358fe4a4c8b9a34c902b097b04e6d3366694077c99ad39b136",
    "signature": "0x3248388e9601834c808bbda75cdbc83920532208a47cf020e245669536d0f5bf1459b3169be845e158993cf92794cc9275a0ab225461839a3034b143dba126d21c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}