{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "271194",
    "entityType": "User",
    "nonce": "0x2076035309f337f858515f03653aa09f5526e56e4d486c84a0fc1451e13c664e",
    "signature": "0x8ade665107de3b7ae4e3bbb961007a33b7dae72d47de4e26798bda99c4bc87c8715f3ab8dda312a1c994c3af6739c297eba4d1bf23efe9c872bd6f601af9a2aa1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}