{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1430667",
    "entityType": "User",
    "nonce": "0xb14cb47b56381978cf9211df1d22319d2c06b7efc258b8451ba17c68bebeedc3",
    "signature": "0x88cee4f1af1d86d04066eca8911b434e427b96e4b566dcc165492b7b78e5a53c57e99ade1afe6834aa45c13176a657f5b9df8c23e06770bd897a4fcf7529853e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}