{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "716150096",
    "entityType": "User",
    "nonce": "0x9e7e6509fdbfb242fa9dc4fc94faf60f8fea7b5a2d7515ee77507225c0fe8960",
    "signature": "0x3906db2fa8426b000af66b46181aa878fd8f3f213ca807e101f4dedb7d38b6f831e771764ddd0f4aa1ca96174af05069b948617e70cde52717907128fda69c391b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}