{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238019972",
    "entityType": "User",
    "nonce": "0xf5ad0210777ea619fa7043d21cd6dd398f043dd305f99fc59023c808d20dbc42",
    "signature": "0x03375c93315ff210c80ef31805dc6a57f3b218fd5e4839d98dd02bc2e1cc4152025652514612976e19ddd7a61cd1719b07ce68859b0f05c777f03d16d2cc6dce1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}