{
  "manageEntity": {
    "action": "Update",
    "entityId": "105402635",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraq3ow5ikmqcx6x54aogjna4xzafxwfyej2jauv56af7humap3freq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":29217}]}}}",
    "nonce": "0xd9a21c003abad0386eb094f7ae8c1edb4efacf238b1030d7a5113a3c3dd82a2f",
    "signature": "0x19a7b76cc5949a688a2a9f8cee9c028c5f3babedf0315168508a15c5c429600f19b2cb25713a17535eb777ffc3872a28f64cb0daa007e2bfe6cbfb5982d43d0e1b",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}