{
  "manageEntity": {
    "action": "Create",
    "entityId": "553107316",
    "entityType": "User",
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    "nonce": "0x4a12e1de62d00481278e3bbd6920f08b4e31bd324b139fbd95e0ca22f84bb4a6",
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    "signer": "0xB224DFcDc4acE4aa1B5a93FEbb44E6edC0d6F754",
    "userId": "553107316"
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}