{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x9a8cfb5e81eca43c2805cf343e8f18f507ef3791d6f8d46016a156b7851714e7",
    "signature": "0x5dd2b484bdec4503833cc7e3dfb267b2be2aa3bd575ef5ec1363fad84abe7ced046eb0dae795b97910e21c112ed5cbb362a7b7987b5da8b9f6fbbc55f2db94ff1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}