{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1507971219",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0b68af21a12e97e72db56e8503e978949abced0c76e1ef9f154f3661f1829d13",
    "signature": "0x210e89ba570883d356ca61be044cbea61e6384ca5ee3b890b7fc425f947fb2655227cb31a3f2517421d649c9e131408e8997b0cb4335bc5ea3124ae56f5190ca1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}