{
  "manageEntity": {
    "action": "Update",
    "entityId": "293389074",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4daf9a1191818a5aef41b91edce9315ef1600cc19a8aa27bde80da0a07c98619",
    "signature": "0xced4411df569132a071295e516717fef14a77cdc8b70e51ef9d2e306e22109de53e9c5f4b831a691bca39b09722139d5456477c52088ff32bad1a01bd685babd1b",
    "signer": "0x100d95350871Cf056Ab8D2e2e129b8184f54C891",
    "userId": "293389074"
  }
}