{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x103c4650dfa340954c40634c25f71ac07ab541346d47d62e27d9366a4a625bcc",
    "signature": "0x496a1087d49e47dd9f74910b83f94d7da586bebc4dbf52692552402275f19b622931be26a3da3b4ad6568bc831f9108eb646ec9a31908dd9600334f9f21290d21c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}