{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x591dc33b6789c9708b1e08d50b25b9d472c37f05115ffa51cc343e918ab857f5",
    "signature": "0x67f33b810ac69b074d38b73f68d06f0a36c23d9df19c3be65c398f7624644cfb43399252135af132ddd1fa93232a06b15fde0632260e68899e8788471f25196a1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}