{
  "manageEntity": {
    "action": "Create",
    "entityId": "818421394",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0xf97c94d8ddac053c057fd25d80b19a64b127357d91ca2d4f9c78d0e93c173881",
    "signature": "0x35607f87b669d27bd2133a8e2f305c72b6673df7f512695c309272421813b87608267cd167fc48c3aa2453e5e77c781f5a8155519719d3715b1d28da3e25c7b81b",
    "signer": "0x4dd3397D750175036AF2A0a7C7B178165aD1e735",
    "userId": "818421394"
  }
}