{
  "manageEntity": {
    "action": "Update",
    "entityId": "271095155",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xec1d934669a7259b92c83b7567a2f11d73fe23a8808a9bd4a1f431a607875df2",
    "signature": "0x3594b17aa3e40c12d09271d0a6382efc7cbfce38e3e204342a60e40c831e2bd02d10f48997f17213a6998a7a5c26686fcd7f3f2d3a37b03544c203077ac817bd1c",
    "signer": "0x545B64d85e0d9fe383d66fCF99e8f5A404B1EED4",
    "userId": "271095155"
  }
}