{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0xf41b913c38364fef2299f365ca45148623481e42a3782e7afc4097978e70ca66",
    "signature": "0x1d617b71aa771848eccb10b2a30ee33638bf0ead67b45e94d04e049085c984b7716cc37e4dfbba54e124aa4ae48c5cd73fb7a4fef488ae1d32ad2f2cd2d722991b",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}