{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x7d47dcba56781d75ce7cdb51c418c36190e072720fdff0c7e26365a119be22d9",
    "signature": "0x43a6c174244632ff606527112b2649e2f977db81fbe87ac19a58ce66c24686b15ea186fc29126e87ce9407296fa4b9180950e1b30a685febf4ecbf5b256ef79c1c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}