{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621508",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14c5e0458b9ec6a4fcea3473e6a4fffead26eacd0a50e470df76e224986cfc50",
    "signature": "0xaedbe6ae05245a855379af81c471259aca4cf9726c72bc64f998863a7b56d26e43575fa621e38194cdd0b5ec3459d3374716babc5c3c6f66d45658df760041101b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}