{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916206761",
    "entityType": "User",
    "nonce": "0x8e5fd881ce7542c97febd3467aa6fd7647179e0d59aa7a5445914f96b1373f4f",
    "signature": "0xe732f1585b0e0bd41f07029c8e90145189a8660fb6e9ede91f1074cdd42a179d5b80b324abb47c6a487525f75374642f648c3ab3eb2106506ba4c2386aaf2fda1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}