{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc92bc5b21352fa74cd2a811532aaaf9cbde3aa4fa74f5c835388c150d102f849",
    "signature": "0xfda950b378cd21b91b1b77058a7510db7cee71268e56e0c68b5778ccfc853f4b06f8cf86d793e4a061a39fda06f0efc16ddaf45452754882d33e673342426f9e1b",
    "signer": "0xe4afcc6e1c8bA44DEc449fe3DB99CB195ece289D",
    "userId": "800127364"
  }
}