{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd01c3343b12f9061b37cc9e8472a85c19b8cceb0edbcd5f1212fa6cbe3d49aac",
    "signature": "0x158b93a1b1383a65ba89b04523dc4f162fcccb165db4746057909723140aa7741c30f2d7c510b88cbce7d1b2e07bab124406232d2a2a83aacd0cd165fd2de9b11c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}