{
  "manageEntity": {
    "action": "Repost",
    "entityId": "541321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9130a56d5f8daf835fa087c479f6d2d87cf9d4a334bb8e184ed247277e4bbedd",
    "signature": "0x62ec9d35048f23517da0c1f36e41dc4b57c6a4c0de7970ab8bcbf4564abf6bf72781c101e37095ff48447ba3d67d046f83aee44dce4605d1ab0ae915dd26fb211c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}