{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180639988",
    "entityType": "User",
    "nonce": "0xf1fcc8bd968ed5abe179eb95275ebbb93a72bcc31a34052ca577dfb8d6c7dcd3",
    "signature": "0xab6cdaa3fd1f4d91cd146461be50b1e970e7d47e9342334caf66796c66874da10cb352c6939ad212d6fb0641a7e86c71453634a00cebe9232f85dd3ff3459df71c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}