{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6035de7d7cc015e11a514738c2cce0a262fe602770236abe9b4ba154310c1306",
    "signature": "0xd0f719f7dcbbc906f3aa168d0968f021f83a52b3c8903ac5ac2671e5f763b9896a173c5359f585bbd85b617678b79b7258743685139bdfbc6285073ffdf4eab71c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}