{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1c19178ad71f2f9ff3643ad9fca737046a875c6763eb8b30dcdca6b74ff86e2e",
    "signature": "0x95e01b6f893fe6360c13edecb5aa0867972ce621a0e0adab364cdbeea4372c801cca29e6f0131c14ea5a1df393b66ecf9da58908c8a0e43e03e71b322e6f6b4e1b",
    "signer": "0xB58CeE77383A5Ea597d5c8082eF7b3594734a0Ff",
    "userId": "417209156"
  }
}