{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239277",
    "entityType": "User",
    "nonce": "0x10d3e12ad3fb17c1cf6aa1d147e6039a192243202f962296d12a40d635ebf7a4",
    "signature": "0xb1ad0c00c9e3680364423872e81489393c350022e5eb2e3e35102378001e227c524a382bba063aedd6903dddc67b30a1a45aa202b17424174d7465bed567bb141c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}