{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225339385",
    "entityType": "User",
    "nonce": "0xba89370de571c9e6c5a60040efb8ab6109d365d657f9024f7eeaddb225db278b",
    "signature": "0x10037b4e67a053e0b76b491c1cfd209b656325c634fc84d5c87e0af39b01f29d463d46bae3cc72856398ead37046c8bb70d715c76a9f5ec51c06927346a8002c1c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}