{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515906772",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3fc9664bd348a5de585d62ed861e7d65893513430cebc9dd65730800e1266606",
    "signature": "0x983860ed408f53d8a6a10f3cea72b77731e7ee507beab80dc7de640c30b89ddf625a9bbcc24abd832a33e7a0f96b056d73b6385309457b664695c59bd21663471c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}