{
  "manageEntity": {
    "action": "Create",
    "entityId": "590503539",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0x6614727dd63f2bf0c24a966ddf312af88a5745b1ac645e20bf56323263a61f29",
    "signature": "0xecfc9d3bc39d83cd8bad1f6f4a8628130772d51b0c160d44a3a037fb4fe90e510be3f2a3fe6d85566785e8f1c1116ec1bddd9f92aad6d35fa3af4cf03dba61401c",
    "signer": "0xa55616A9D41cDaD275f32FE002f24B55ce138082",
    "userId": "590503539"
  }
}