{
  "manageEntity": {
    "action": "Repost",
    "entityId": "789131",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x619ddb30f0fc99a0b4ab80ce15cf9de8e6a69aaa91c4e9640a31db272458ee03",
    "signature": "0x2c1417e1439e6a59dee5d98cf2fe774c9171b3a9d71f5720d9d8c8d4361de4e31bd8db0ebaad8d28d08b5b356718534414105b0c4f797f3ecc6ec893ca10dea91b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}