{
  "manageEntity": {
    "action": "Update",
    "entityId": "733215727",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x72267d2ce94affc2b304ed766205a72503a3ee1469347da4be6ddadbb091513d",
    "signature": "0xa5e924e4e16912358d8a8da77dbebec3cf4ce306b8aee4bfb0ac9e65c47c7e4d37755691914c014a800b8bdb77f18dec03a3da92338c4af22d91638901df22ab1b",
    "signer": "0xA275D81CF2e99e1CBCEEA244Fa82421501e665Bb",
    "userId": "733215727"
  }
}