{
  "manageEntity": {
    "action": "Update",
    "entityId": "918602404",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6341971d524bc1d82336d2b7bdd683456421454346b91d0c86090b6096eed59d",
    "signature": "0x7c2636afb8f46f59496630a822fb12bfba853dbed54b81c84adf6bc0bf88228b70c2e7bbfc65cd32f5444fc8084c3f6ac28a474e86869b2045d5ce507bbf0c571c",
    "signer": "0x9e6Bc923c3B1A420BDAF7b6dd8E4a6Bc51f0DfFC",
    "userId": "918602404"
  }
}