{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921885377",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3b338dba342b178ed0bf31f5d6c5b6b6511ab4ac721e38d92b59b408a7eab4e",
    "signature": "0xfd5a545e6b89ffa200783529165523357f98340398634519e2d01fc6896a61646d407656405287f9d041a2e4265945a0b51632a73c55bb91779d4a559ea4a02a1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}