{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73732",
    "entityType": "User",
    "nonce": "0x842587428d357b18e5fb1dd486e708b17cfc687b76ce2b9e9d8169cdd219011d",
    "signature": "0x9d55786bd57440ca9219a27993d187d977593047bbe6abc77edb7fe25ab48d007c3d6d217bc29621cbb7d629cda32f8d411c35e51dab541eaf6f0e3f1873cf331b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}