{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "768479471",
    "entityType": "User",
    "nonce": "0x9e68907a98d1012e9652c7eb569b714668d24186bee3b1405e05c40aa2c2a324",
    "signature": "0x596caf9420f6bd6a6c4ba4d627a961b44f77e550ea144a7a83d076f3f1ff90b114be4f02c2920130f00cabbfb8b21461c88c24f1acbde9f4ca4790e23a39155c1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}