{
  "manageEntity": {
    "action": "Update",
    "entityId": "98088512",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7huggrwl6g5xqwytyha4jbj6akjdb7cfpldy24cyvxfzvkgoq3da\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1419300557},{\"type\":\"playlist\",\"playlist_id\":150639252},{\"type\":\"playlist\",\"playlist_id\":576245199}]}}}",
    "nonce": "0x3beb50def24528369fcbabc18e30944c120ca723d02209ed7d1f015f510244c0",
    "signature": "0x8c0581d86a8c5379fd0dd61d72db1f3ad33ea2318b94da033e5d95a02157d8f945de240ccc7b04500c121cf15acae8fdec9c8596c226d336940d290f579c0fcc1b",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}