{
  "manageEntity": {
    "action": "Update",
    "entityId": "211917910",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8a72f5e2c278a1631d738d05a7b9105df30a27aad3d89e24654b577f80845277",
    "signature": "0x61198117f9223dc2d405f75d9abd6ba79f3b66bef3c1229a521cd165fece623515b1b54a3b165b2985787ad88260097e6ebffa0dfd0cde7351cdfe16aaac5cca1c",
    "signer": "0x2A25841877cdB566b098A5579fe0ebC0AE53bB10",
    "userId": "211917910"
  }
}