{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145972",
    "entityType": "User",
    "nonce": "0xb2f563bd560ac7ad3b3ace0b2d4cb314c22776f63b1419f0c78e747003cbe7c1",
    "signature": "0x94354c2916d745ce0cc50e2fb88976bcc84e39b02b11928057217c5144919c366d034e9bfc28f058c28faf1acbb19453d34c27c1355e3cbe2bdb174c59b324dd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}