{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "393111",
    "entityType": "User",
    "nonce": "0x5b712fb49827c8c2a42898437db52b4e5fa6bda3baa3a18763824125effc1abd",
    "signature": "0x3154de2359be84edbbfb257e8180537b6f55cfae94f7ed8d88c9c55e7e94fdd307b8be9f1c00017450da6065629e9099eb062d791ea7a9ddc6d3f4294c82f9211b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}