{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573399462",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15151a51e06f0c368ade51f6f8082184cb4cee5d3551069d3cb822cd8667137d",
    "signature": "0x0ff0a605b20fd0210f4cc222fb13091b80371ecc68a13d205867d67b2fad4385599b59deb9a1192b5130aa551d9266e3739f66f722acf0966fa6ec209f58250a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}