{
  "manageEntity": {
    "action": "Update",
    "entityId": "81709271",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1e5cb1d6e35e03807933593f5bb95f0dcf0e86b61de47673929bd333314b553",
    "signature": "0xa094abb19df6154601d21207f38acbb5eb1a5f2e255bb3d8009bfe56631940835f01c2406db4e001c0baf8725dfe1c768c35121bbab94b715f812ca71a7c0cc11b",
    "signer": "0x7D0D1f2Ef267c446EC5B8223F3a6b33B0cE7601E",
    "userId": "81709271"
  }
}