{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81816",
    "entityType": "User",
    "nonce": "0xa5f776459fcd3e115479cf6873cb6f58eb50472c6ac1f163ca7a9ea03181994a",
    "signature": "0x6036eef8ebb7124a9dac0f6fd022b846b0971a682cafaf5a2326cba5f63a1c7721da77d73357cf9d04bdf26b1fbd63cd073c0442bf5a8761d499b1bed731bf921b",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}