{
  "manageEntity": {
    "action": "Update",
    "entityId": "417395903",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe5c02413f8b00f0e86dff30872e4d2aa4d8fd133aa28b7a889675eafe7afd8a0",
    "signature": "0x93cbe18a0b7f917f79acce7e9675d599e7c11af91cba6dbd38c81b5f86281d3d7cf833b5da204114e86b818a4e232ab1384ea102c132adde7a900b904e92da6b1b",
    "signer": "0xeA53696a754841Ae9bcfd102450d7859aB95681A",
    "userId": "417395903"
  }
}