{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x69d0fef68cef7d4e8d91bd6bd9c522bce3509d2aab3316b5f80136b8180fdd96",
    "signature": "0x5e62ac6ff3c4c0f10e36a6fdd41b32cae129270c0fb6fbe94a7073a5ce4126ea64d3d889616828f5958c1f70229fc1df7202db7fe67fabb84c520ce31dd38bd31b",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}