{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881743088",
    "entityType": "User",
    "nonce": "0x22f0ea661fe1b69f4fad7754e59dd1863daab0dc2ae867cf0d050dfa145cca39",
    "signature": "0x09a2cf44007c88b0fec987035abdec914f7deae6ddf0c6f68e5a6a134a6e1a62477d70c6c50c85509169e6a0a954594e08c422a7511f01288cae80748d274bee1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}