{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1387989231",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f417cb11a2b35096c2328e63c84af1ba2f9cf73ba2056cc8f8ef2e62aac8f54",
    "signature": "0x52cd81b9d3d6ad0d0e78e8e7e789de8946c015fa285371dc0aaa299cd924a16367acb6db5c07f175c0a56264046d462ff5811f8821eefca6dc2002f8e1079c371b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}