{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77945",
    "entityType": "User",
    "nonce": "0xd325e9f8ab8e1d02ee02f98a529e9c88eded7ce800cba71f06681d4b120a25a6",
    "signature": "0xe5760d1d53374fee1dfb203fe75f037f64a041a73e9b9cb3fb430dd1ccc4f726400609c8606c5689b63af21abd9b0275197ee21346069d9f7999a37fab2d8cb21c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}