{
  "manageEntity": {
    "action": "Update",
    "entityId": "968818821",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5285cca836aa87d3f6bb117fe33e653698f56487dc916eba764696d4c1ee1de5",
    "signature": "0xd03faa93880c5a34e4db1308abcaf21e011bd39afc928b71f9fda6ade67477cf4dca33f78711e90bc1ed61320c7ede056023d0a92a1e2d20dd9b19f39e5d74c81c",
    "signer": "0x2e02BdfcaA7524083aa8E8E4fCEA7a41BE6B3e90",
    "userId": "968818821"
  }
}