{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdb20b0c1d33c9dda95b2c57cd823987ee71ab31a4f813d8b9fb43a04be1a3eb1",
    "signature": "0x884f980769d9974f2cfe9de4b2a8c20ecef29391ccf436586905b74379e117611f426079fb60d9d12c45b3d6e9cc5b7358efc7d2bc4e4f09f6b953168da7ea1f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}