{
  "manageEntity": {
    "action": "Repost",
    "entityId": "142574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5afe43ed8f647528f14af6c8c3406163f42db2943f0a8c1937611e4a21054e5b",
    "signature": "0x673494b60a50552370fe58bb4a93626074c98c8bd53aa66db41202c9c41e34f05cb67c0c271935452a27dc2c57676c083998b121ee24b16ba5dc5fe64d3d2dcc1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}