{
  "manageEntity": {
    "action": "Repost",
    "entityId": "740490554",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb8ebf4f6a1156ada34d075d5934821375ebb9f0f4b8676778fb18cf142fd8642",
    "signature": "0x7540e974f16f4c75c2542469d04f4956e8f673cfce40438d2c93f348dcc5184b279433f33ffb264bf6a1224773ce00fa26e276bd36cf011d90abe84f738c7a321b",
    "signer": "0x13Cfd4BBEDA7CE58184A2E10DA1080385Fc7829e",
    "userId": "433129386"
  }
}