{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895362994",
    "entityType": "User",
    "nonce": "0xf29c8b300d90d438e1d3396a2258905bee4916bc524fa83c6142f6341faf586d",
    "signature": "0xf78e58a1ee120710fb18eebddaa363478ee54ad033ff4346bb2b2d5be242993e74daf275150d75ec06fbd7f9f20d5383427d4e8182b8a4046e201d7c4bc39e001b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}