{
  "manageEntity": {
    "action": "Update",
    "entityId": "819682375",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3e7e6367v4ljkpfyh2q3a5wiikpyms2zq3r4jgx3gjorytgptf3a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":17497},{\"type\":\"playlist\",\"playlist_id\":97589}]}}}",
    "nonce": "0xc8d82d5b42f55bc96f510e135fad5ae0c260055923038b55b94eb56b163d3961",
    "signature": "0xda4949b21a6b682e6063e72b55e9cb79b20ec0ebc2fad306b8f06e98bb75bcd91485bcb068e0fe87cc692a307add91881ea39ffc29562935ffd4db4c7805a1951c",
    "signer": "0xaD3005B9772319abb914943D6BAAbD44425aB2e7",
    "userId": "819682375"
  }
}