{
  "manageEntity": {
    "action": "Update",
    "entityId": "93814449",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8994fb2030e168ba4fa18e58d5215e0e1bab8b5c3bd1b6f7aed478acd3974e0e",
    "signature": "0x6fb07493015112ce1c5b42979b9904dc62445f3d4794b232fc8ee837a39ddc6f0383beb26404bd25d25ff9316ed0ed545e98509c679959b647cc99f20d92f3701b",
    "signer": "0xc40850178B74672DD809330aE4477a7Dc40Cda7B",
    "userId": "93814449"
  }
}