{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x8a95e5c786ddb5707d8662781b6cce7b0758e5bbc20540f0f75e18901bf3e4a4",
    "signature": "0x8bc36b79a557953b70f0955d4e1a75ee93568d99786941f32223b47520992f8e776f97ca981600687c912a21bf31d385cdae49dcf6173bf770b080d0345f50da1b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}