{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc7e844b46665c2d4094c850892bdab20cc91270a4d09bc3c375a8f669d24e47e",
    "signature": "0x80dd17d2aa5de01dc0319fd975be8258044226860d47ca2636f03ca90e3d76033fbcfd64d7a8856979191ff6067e5d5d671c07d8e8bdcdf750f57ce950f7622f1b",
    "signer": "0xb8f7B36515D2B10f957677C3ed5d4c31A01610fE",
    "userId": "881044176"
  }
}