{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2443",
    "entityType": "User",
    "nonce": "0xea251d0b3531600a6fe1db7f4c7abe9cf7652d15593a7421fad991b128e9d7ec",
    "signature": "0xab9bcdad8e27ad65922cd1477182f2489d384c440138ea5cb24575714773bdba5aaf82293719539104c2e8005f15ab8258fab4169361b538b5c7953414d897b01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}