{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x84a83243d699e99b9db330c9ed4718980cbc224367b262f6137d63e6281757ab",
    "signature": "0x1673ed223b83618d99c1b26429dcfc5575d1740384fc53a560d622bfc33256296d1b45c030a80a1b0b8cf293ca52d32869441ff989328dc1861f811380c336d61c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}