{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77214",
    "entityType": "User",
    "nonce": "0xed54a8a37f7f9cbda155efbd6ba8c26de20074431b8168734131b13fd4502bdd",
    "signature": "0x2b06bfa9150fda4dc1eb1262d43e3f513b2fb070f8586d4eab747180a697bbd4077d16bc34a994f32a5a59feab5489de40e5bdbb5376bd3d4e4a2a80a3e4217b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}