{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139944657",
    "entityType": "User",
    "nonce": "0x8030001a0b481fa81e9db4fe57a1186091d23e414ae509c26268cd6da594321e",
    "signature": "0xaa0e71cf74043a9d1ed09659073e0af22571db9721097677467cf93750d3efb45810f9721acbf490f318a2da2bcc6faf038eee19d9b96f2a7c5f5eb947dc9daa1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}