{
  "manageEntity": {
    "action": "Repost",
    "entityId": "720963",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57491cb556eeaf7ff1094962d7952a04ecf940897da05d5d911722750f603bfb",
    "signature": "0x6caff4645537c68ef939b318abe8d596d00ad58a9437431de0a079c594055102200f6e04ad54f92bca64f5d0852fcfe28a731c62b30edeaa18bf9016d532925d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}