{
  "manageEntity": {
    "action": "Update",
    "entityId": "767459146",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0df23a9090e34f89c4c7610705781d033ff3cc73938af02c30e95cd76e474daf",
    "signature": "0xb65690411c99c3991d01d2ab9d44f54e4c3b7d3c32c75e9c2251487021ed172f1a37bb02bbd4f6e1dfcf042de5d294c3c4e755a48213fe61d0404768b5e8cfa01c",
    "signer": "0xC2Ef2575F47bcA66b4516f69627158a24A554CF2",
    "userId": "767459146"
  }
}