{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1457340555",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8317aed9c037aba53283b020a75471530706703c4d1f397290ef84bf263a7be",
    "signature": "0xf189631fe5cd205755709063d8ec185e8e5b3046d33d3cba0f961ccdd36da77602dfb1734d125fae8902240303ff6b769da4acb7676992acc6b467781cf739231b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}