{
  "manageEntity": {
    "action": "Update",
    "entityId": "496820532",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfde56795b5e660a3801b05fec48580e54a3bfe019eb0d74271b617c326076d37",
    "signature": "0xc9d029f0f4a61f2fbe6a26fec16efee04bd0920e14513786f5efda4ce02425c62d1cfacd2b1e2fae5a8f97f715ed1f6efe289c39a9799c95d4c9d03b60b10e371b",
    "signer": "0xce1fB8A1818a6b21B6d7a5d092bF71093065AAcA",
    "userId": "496820532"
  }
}