{
  "manageEntity": {
    "action": "Create",
    "entityId": "754382673",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0x7b2130113f7134f23e3d89e8716df8eba69d321846311de354a0b3b84bd5a778",
    "signature": "0xf92dd9aecb0a074fc3bd6abe47440078b67fddb8596f5f99bb0fad50e33ca56468bb7ad8b715a2f5604e2808caca710b3f8fdb5d8d2111d3565549632b9813121b",
    "signer": "0x31d839fecE67918e20522D6573544cB272F92c7e",
    "userId": "754382673"
  }
}