{
  "manageEntity": {
    "action": "Update",
    "entityId": "611862968",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3f86cda7e1a37e925c3a880a935929dbc8e7a868887328a8b2afbd3a2bcfea82",
    "signature": "0x5160e067d4c95ad85a41aeb4041ff99f1c9f89dd02029949f3dd423ad35180ce119e50a26541d348e780c3012f42589dcbb0325e6fee58236b770f4e444d0b121c",
    "signer": "0x801cFd101977829e8D371a77d53FB980b2BA75f4",
    "userId": "611862968"
  }
}