{
  "manageEntity": {
    "action": "Update",
    "entityId": "410246880",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa7ee628da216d1a27f15711a3814e62d516689ed55a48c18ccb47655f4577af",
    "signature": "0x06321c0ce9a2195e281b6170738be68cadcc66821a96e149d6ff20e07c588a2b03ea78e3cee46110f6c2bdd36bf6d7ad3c22e7135c0d808c442bd9f61b16ca4c1c",
    "signer": "0x88B27943F74D36094296911Dd903a353d2149590",
    "userId": "410246880"
  }
}