{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x66f20aa049359e7a67d6872c4a27b7fc1d5c6098b215e5c7568d67d49417cff3",
    "signature": "0x93bdd07d63c4ed048847764decdfd39550d264b775ec2891bbc807b1da0860eb78a859bf00c3b72c8ed4ee2a8d8a6a89122bc3364cc06c6d301d54cfa97d87ab1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}