{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83464",
    "entityType": "User",
    "nonce": "0x89e4a84c8ade3f596fee8c514f3b87dd5a3c7ac63797777fa3648496ff547525",
    "signature": "0x9c626e110fb1d8672fa1f6fad84f198606af5050b0565a013d6d12ea7a788c83557474cf14334ae518fe0d6b7abccf390927c1fd4ff7aa18362054841a166dd51c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}