{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8cd7565a2736466d5c221272d203cec22d88c1f1f80326ca8a0af6b6c300c324",
    "signature": "0x4a14d27381c22e41d3c05883ced6ab3bc6b97a5c4214e81d5965fdba5ec7a0df575b28c35e019e8b3b6a1ad4a0d1586a293f90a769a88275cf949082995822b51b",
    "signer": "0xCEADf69D707d025460a3d27226683bCCC04DBA60",
    "userId": "187910835"
  }
}