{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x55c666fddfed591df21fafefb88725a02943883a7c74dcfd7996929f89462063",
    "signature": "0x5d1b16a124e066902f1c2b448d6fd06c0e728da5c36ee18ed2c999eb71f6a8b626b651cb7516e3d6c6f81f4e1e0d8a15c5e36b4dd07ad84eb57326b02c0ac46b1c",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}