{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x1103ebd323dfbd66f693c4b5a311c748c2be526ffabe354b647f022959f379dc",
    "signature": "0x02dc4ab0d8a6b35410787dc7c491bd6741e145c504a57111fd5193dbfe90ec4643b35ee81d60cba21750d61dc48337df7906c89e6bc042eb24dcb332ae7248141b",
    "signer": "0xbAA633dfD19281ECC20a6b689F49CE8725d526Cc",
    "userId": "127651"
  }
}