{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33993",
    "entityType": "User",
    "nonce": "0xaf548a659b9dc96faf17f4759ae6a1fd042cfc7c7b50d003ba3f1306f6602250",
    "signature": "0x539edf5d7d58c4869b22a63457a4efd85d75dbd8abb0b5901f1ecc688d5ad7a7626db2ae172a7fccc94ab4adc0d5e492130952db5be3e2023dd993ade25dbf451c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}