{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0766aab3171c35069f03bf530c136c488a5e237d66cef1262e1cb563f9a682ef",
    "signature": "0x53d760c24e64086aeacf8abefb68d9aa6a4a2e464c85e340f72473113c1e0af306cd070d461d8a37bbbb16d11f2576a0309820b6aa2f0d095618b0eeb3f48d1e1c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}