{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x1d41841749a71be443bfb6735ea2e2bc2f0efb2fe15561861d32989a0cd901fa",
    "signature": "0x35352892e9b4c97b5f9bc6c974945036f63dc7960403fd50eba6d055b640b7560c013ee0758d80c92f86458216532361cc95a37b9ee598c4cef371df98bae0631c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}