{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56094974",
    "entityType": "User",
    "nonce": "0xc349e150d68801d835d1b7e897da0a13cf36cd0bdf68c3273cef595808e3040c",
    "signature": "0xb70b476cd43f17266a13ecc5bf9ae746d85b7224f2fa20ca8a68a40c3239e78b4f8aec00a98e1f360dde5b159b6ff07afe79fa62bcb32d74f236489fc1214b221c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}