{
  "manageEntity": {
    "action": "Update",
    "entityId": "344628179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x42455dcbd43af755d6259be36384dd01764637187c5457584cf78c5ea32a2f08",
    "signature": "0x8d6b395be7f2c1f46c286b1e1ba2e8ebcffb26df4f20cbf6787710f8d474025f1b9b564fdc86f6dfc0ba35c800b4cd5bbbfa264e5bd9dc83ba978e4e851995001c",
    "signer": "0x106844992eBe31b02061D5Cd5cA252E51735630a",
    "userId": "344628179"
  }
}