{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402393",
    "entityType": "User",
    "nonce": "0xbe099f01879bc9a0fbc30ad7c86762024d687284242051e50f726c09436d8a96",
    "signature": "0xa7ef5689e05d7c2eac73b72120f7dcbb0ca84088dc2dafa81910b9688c8495ea549bf0f6e2c7530a99036a2165830ef22031c8c7a0476ae367b1d62d8bbbf2bd1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}