{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0x8a031c38d6e697447a762d4a6728019c2d593afc0532ae8ccbe3b2ea7711e6ef",
    "signature": "0x65fb3b8f113cb65eff58ae84fb29a6b1c44b01f55d827899f29a577ed934d0da6973ad14951f8daa75104858933466360c5cb735fdc5a560e2fe1ed95c2a1cb31c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}