{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xb76315895e67b7e8ed1bd7f3018384268f8a1857e55860074b240373affaf774",
    "signature": "0xc496afbc6805b6894e918cecbe8a10b02d3da9f73f3026145b7cc27e8ec6f4f41ea0c749af83857e4c6225653e1eecc903881cd8afcb8883ac8c7d428003965d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}