{
  "manageEntity": {
    "action": "Update",
    "entityId": "655908934",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa6ac534831337f6a388166dc176302cae8bb6227fe0cd8060833ea0aebfa6a05",
    "signature": "0x46a7001e5325cc2a8585942cbacdbc1e50ed2b95ac9abf807f9037ee022dad43391b514cc586e6f467e3f21e523387fa45a30431a092580fd44cc2b2d4731ebe1c",
    "signer": "0xb9E2EAf5dDf41Ad5Aa821ca9A0194a2D0aF7bD37",
    "userId": "655908934"
  }
}