{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0ce42b877fb7711653b73f0282efbb24eeca5cf8c8ec7aa97b2245cdd1b4b184",
    "signature": "0xa44e00389d1c9ba2e05bd51c78425699e41213295d2cb3858c47d15c2aacea8f2982ff85127f4f29a768af02641994d59a0588d505945f76263416601f72eba81c",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}