{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10680",
    "entityType": "User",
    "nonce": "0xe894d6da1ac7e31eec203ac9823de6329c8d45d06cd8814ce467012c5e4b1fa4",
    "signature": "0x7cab5947c27930852d307e35ccb64761228a6ef0587c0d5a2b2f4181a9a57e14120e9a774315ca590e4a4e05b04f08a75d957f64bbe11a1af741d63f51f625551c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}