{
  "manageEntity": {
    "action": "Update",
    "entityId": "941711771",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc28916635b047a9cd369b21efa0113e20a5961297c3ef51c93f732479e485844",
    "signature": "0xfa134df7f1c1da4c8beefcfcf53d1b5dafbdd8f514024e28bea89db7d936373b539cf5620697ef989427ed54059a9670c1de6df38c0ae862d9e5f1de5c59d7081b",
    "signer": "0xbdB8eA7Aa50C113b1755Ee2985da6D2DC957FE4A",
    "userId": "941711771"
  }
}