{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x727bbc8ae8c85fff6240f836c0ff74d27df50cfdda1eceaa3d09875fa6fa5f87",
    "signature": "0x73c5273169728619c342e6a419e00113e3ce539286d5433c8bc92bcee37bad1943dcde4a61bf5ff6763d8ccfa86c0be6f85fd90dba550a6344719fddd24e1bc01c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}