{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1603684784",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x83958277d90844e71613ddb4b1d9bef6d8164bc6de7a11d6e3f80af8721e1dcc",
    "signature": "0xbb13f037e08e9ef6695381f05abf9e17213c4bcd8ecc26e36a382db9f80dd2da0200757f4bb702bd5a416661af61e2d6c245879d25a2a02619731bb8187749a81b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}