{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "442238",
    "entityType": "User",
    "nonce": "0x3bd3822bb080b7b5c2b6744059bd910328e8c173a642e169af52d50f2e767128",
    "signature": "0x6c58afe56570d99e3a4674a6ac23bfa8f9f950d23a6ac4f55a315d34393b417c393ec386e81f1242ec4a457fb101c59b22463fd52dc1e6c25721eb8e0e93a5d91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}