{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x72274c3857cb1fbb5e74586da28ebf30aa10d5ee521ad7cc1cc65f015f58a502",
    "signature": "0x7bf92ae14e4f7ab5d5402e03c8f6e4de25e9918be50452276b17cd4b4ee370196aa13cbb1f33cbd7f0e634a5554dadd02cb94c8892b6e023c9eaa8ee10bba33c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}