{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69495",
    "entityType": "User",
    "nonce": "0x1eace87724393509603eeaa5be390ea74867cdc97d4d245fcc959e8589a76e1e",
    "signature": "0x814803fe979301d5e336773dcac95c70b11820ed365dab72c578e8e0fdfe9e2e4930215308067c848b4705c3ade6dc76f930be653289f55dcce6ed65fd70c19e1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}