{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857463327",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2d3d7846c8c57791f893ec7246405b093ce0037d788e14a39574f765ecb53670",
    "signature": "0xb83b166ef1051d4c3f03e639558dc406cade25d6faf3eb8ad5a45fc4e48d2b1f3ccdcad3e82dbb61f59c427561b908bbd108d48a8e8b43062554525093f4270f1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}