{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94354",
    "entityType": "User",
    "nonce": "0x42b1627e4d576b953a52ac1da252ed04c53839d6d2529a07851fea85312c1e7e",
    "signature": "0x789d12deb35dd0ad10e77fc1c0e43306727ddf61ac38a6efde1aa8ae29040ff9231f4119bca16b3b7ad5129fca68de5f7beeb3b1daf7b750b86fda6cc38cadde1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}