{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669257",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39d1e32ad7cd763e91e9cba35d05d4ef751ef4ae435814232f883f3c221bbf68",
    "signature": "0xbf9d480bb2a44a7241760af4706de0a1fcf26506e83a2e657db50c5999cf27da110c1252e007169c2411baa481d9b87d21f04709c104045223310dde11ddb5111c",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}