{
  "manageEntity": {
    "action": "Update",
    "entityId": "86107540",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6c8656a7bdd765740dfde190f74e31acbb2bc0e86ab931b086ec57a675358d9b",
    "signature": "0x6fb9c582a421ef373eba83c0f42b9dcf45ac727e06137582c70f801060c871d42cd740c8c949c3b057aa0ba0ef7ad4fb780db7b0994de22c6c823751de4370211b",
    "signer": "0xa34F45b97b1216c16C293511203C91cE6b13e8aD",
    "userId": "86107540"
  }
}