{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xa9ee20566436aabe15c01ec46f69c7cb01124cb5928d88763ed681febf2fa268",
    "signature": "0xaeae22cca628ba67061d6b0f2effefb6f547928765f8b6cbf5d9149a7c1c774c188704e5f35e0a8c13c08484f9a1ab0e6d899ad928a1cf1b30a05a5b00bd2b261b",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}