{
  "manageEntity": {
    "action": "Update",
    "entityId": "288476830",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf93330e4be07923a29d8c78e5e0c507d3e956df45f20fd6e94dc167acec292b2",
    "signature": "0xcdca24ee857b6ec3fcba9951a467f234ba37b62ccd8358a2cc4e8c0f23eac86057cc2dc4ad9e51a1dee5fc4e428b4fd64ea0ee1b4dd5914fa94f7727afb9c8511c",
    "signer": "0x44F866BD6c3cA5f4aA70Ff1dF249e392116efc2c",
    "userId": "288476830"
  }
}