{
  "manageEntity": {
    "action": "Update",
    "entityId": "29088079",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe2970a87e7d39c62cd35a874c97e431ef787687c4cb48bfe0715936191278ab4",
    "signature": "0xbfde52833a41a2439cec99fac2172340010dbc2d9a91a62de90627f106a4f0623a7a1bd1183106e686bdc9fe831c64474e2a3d799ee12d67568071f8fea0f6751b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}