{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "534459102",
    "entityType": "User",
    "nonce": "0xfcf718146948dbd392667490e02826125ea897c4d0f0b278d32325e9b9184914",
    "signature": "0xe92185c14eb885dc85c12c9866cb81a0c55f5594f648a3b3dd50a547452d317702070def695abd24d1028b2e1b2ea6c099d6711a0af23cfd54cda88577e117341b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}