{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x97db5eea38a7e32ad81c4666fa9d8de248c045c2dbbab382d294f80e53a17533",
    "signature": "0x86415a5afd7feebcda074ef509e376986212f4816f3aedeea5dd125ca7906a2b0fb99fd3560007e3babebd18564ea0142bb3c054435985bf2b2a3678a8a65c981b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}