{
  "manageEntity": {
    "action": "Update",
    "entityId": "237204723",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x42201ae20a96473c79d87fe83bffa05ab0a226b7788bc27041d93ab7b14cca9d",
    "signature": "0x50706e5dfa03a5d1e1453470b291b4930d8aebb13d984897bb2dc828c79226ab00ae54f0dd425488d0930b99b358270f45f3b16c91aa7d8a6109e56c0982d0fe1b",
    "signer": "0x473494e6e8ee35dF2873aeAE65b284636dbB5e45",
    "userId": "237204723"
  }
}