{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344158827",
    "entityType": "User",
    "nonce": "0x732e718b8b26293aed8cc89d1a92e79c10bd6abab97a1c1830cc6ce3bd965193",
    "signature": "0x23b58935fefc4a6995e9979da2615e639c391a3af27e402a061c0d4ebca9d659689480653e40fd4adda397b2d4fd7994131913e1709dffaf93d80a1633b8c9391c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}