{
  "manageEntity": {
    "action": "Repost",
    "entityId": "75491237",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18e5aee708150405d62cb4dffb03cbe8aaef51d0efd1533252b27f0856771d6a",
    "signature": "0xf9d7402137d538720a55737b1404bf06783ed33fa9a63cda21e4067e44a3f14131db92fccd2f80a6adaffc77a8efbc34fa6a45fe4d715c85cb6b8bf8f104a9311c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}