{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498287695",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87054e344d74f194109a7892ffe09964fa845cbcfd99ef0b40a8c7d378fe5b54",
    "signature": "0x5b6835d883e287478c76b69d13f9275429715e43efd0e9f7e896a7ef83e4387e6d577dd792065fcfad12075177d36f573bb4057b149d4dd48440de606902c1601b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}