{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xa600a5dd39747756e6837888332b4e7c74e30a7145cbfe932ae1f09378faf4c7",
    "signature": "0xd72fe30ee60c87811c2abab0bf57747e960f210d6977f74ffdba637074fd158152c3c15d427b45413f3cd95f28d3cf622f71195741ce483a4ba23d83764023bc1b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}