{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7187",
    "entityType": "User",
    "nonce": "0xc99ee677a03af3c42c4b12299f90fb19e92e84cac1003a3827a0ffdf8c7a02f7",
    "signature": "0xbc7625eb2a294de180fdfbd531f5cb6db9109e608084ae7f0a51b18c50586da36881e7f4b779dc922c9d1a793206d5ce8d3501255cb9609550e64e3659a0839f1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}