{
  "manageEntity": {
    "action": "Create",
    "entityId": "507873114",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0x6ff1877b312f0aac4a18adf58f95ea8a4738096c974c72a1a4b666a04df13801",
    "signature": "0x054f802c26aa9123a103ce3333bebb1d19daa33a964454699961fdfe49f3656330ae94e988b014a9f56b04c71034df0b642efe5651634ec1c1db47dcb48d7a8d1b",
    "signer": "0x4C4d9E0C121d151A13C64c283a0bAb9c49C85Ce8",
    "userId": "507873114"
  }
}