{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126318",
    "entityType": "User",
    "nonce": "0x802a89e690104f22acb4dbbbeec2de6ed443fceb66943c2e84c91f73f268583d",
    "signature": "0x299aeb3bcfeeee402fe4b88eee257294bdc541252be2776753e6c3959654ca7962332835e62a7ebe1f846ed3f6700faf3e3cc0fc65f3d82b38448416aa5ccb1d1b",
    "signer": "0x3BA6454eB2EcCD2f8c7A6f46C198fB0C13D60658",
    "userId": "872763461"
  }
}