{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53144",
    "entityType": "User",
    "nonce": "0x4809fc9d9f6c590258088668bbec477a3095aceae3e0ef4311c8ec6c1e5abc12",
    "signature": "0xa56b92a5e3b4c19b3c64eff1b7469f66f0074216c3c145ea4044bbac2bc7ed561bede84985517d5bf1ca0813fcc09499293550622cc85442d07fad924e604a891c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}